对雷诺数、湍流雷诺数以及哈特曼准数的定量计算结果表明，哈特曼准数较好地表征了电磁力对铝液湍流运动的抑制作用。
The quantitatively calculated results of Hartman number, Reynolds number and the turbulent Reynolds number show that Hartman number expresses well the function that electromagnetic force i.
气象学家和大气科学家在计算湍流的时候常常会用到雷诺数。
The Reynolds number is widely used by meteorologists and atmospheric physicists in calculations of air turbulence.
为了探求气固两相圆湍流射流的特性，研究了不同雷诺数对气固两相圆湍射流的影响。
To study the characteristics of the gas-particle turbulent round jet, the effects of Reynolds number on the round jet were investigated.
实验结果表明，在较高的雷诺数下翼型近尾迹流动是一种以旋涡的运动学和动力学特性为主导的湍流剪切流。
The experimental results indicate that the turbulent near wake flow is dominated by the dynamic and kinematic characteristics of vortices at relatively high Reynolds number.
雷诺发现当雷诺数大于约2000时开始产生湍流。
Reynolds finds that turbulence begins when r exceeds about 2000 .
采用相多普勒颗粒分析仪(PDPA)测量了雷诺数为8500的两相圆湍射流速度场，研究了两种大粒径颗粒对湍流的调制作用。
Two-phase velocity fields in a round turbulent jet with Reynolds number 8500 were measured by phase Doppler Particle Analyzer (PDPA).
通过改进湍流模型和壁面边界，即用低雷诺数湍流模型结合混合壁面边界的处理方法解决了以上问题。
To solve the above problem, a low-Reynolds number turbulence model with a hybrid wall boundary treatment was adopted.
在颗粒雷诺数较小范围内，针对不同密度材料颗粒对气相湍流的调制规律进行了实验研究。
This article makes an experimental study of gas-phase turbulence modulation by particles with different material density in small particle Reynolds number range.
介绍了湍流不变量图在圆管湍流研究中的应用，分析了离壁距离和雷诺数对管流湍流结构的影响。
The anisotropy invariant map was also introduced briefly. The effect of the distance away from the wall and the Reynolds number on the turbulence structure in a pipe flow was also analysed.
壳程流体在较低的雷诺数时就可获得湍流流动，因此，壳程适合低密度流体。
Turbulent flow is obtained at lower Reynolds Numbers on the shell side, so that the fluid with the lower mass flow preferably goes on that side.
详细分析了管流湍流人口长度的影响因素，提出以临界雷诺数为基础变量的新湍流入口长度经验公式。
The factors on the turbulent entrance length were analysed, based on the variable Recr, a new empirical formula was developed for the turbulent entrance length in a pipe flow.
详细分析了管流湍流人口长度的影响因素，提出以临界雷诺数为基础变量的新湍流入口长度经验公式。
The factors on the turbulent entrance length were analysed, based on the variable Recr, a new empirical formula was developed for the turbulent entrance length in a pipe flow.
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